this is part of a pattern the taliban has been promising more spectacular attacks. regarding the weekend, another insider attack where an afghan soldier turned his gun on americans killing an american soldier and an american contractor, u.s. forces fired back at their afghan counterparts and there were some afghans killed. this, of course, putting more pressure on this notion of trust and quickly -- and how quickly this transfer of power can occur to the afghans. >> lester holt reporting in kabul for us. thank you. and as new information about the killings in libya, the foreign policy is now in question. former assistant secretary at the state department p.j. crowley joins wagner on next. coming your way in less than 19 minutes. >>> babies. the very new stars of republican attack ads. why the gop is using bouncing bundles of joy. >>> and still right here to come up, the worst thing arnold has ever done. schwarzenegger breaking his silence about his marriage, the affairs, and the new tell-all book where he talks all about it. if you have thoughts about today's storie